CN219652040U - Deviation-preventing bend drum - Google Patents

Abstract

The utility model discloses an anti-deviation direction-changing drum, which relates to the technical field of material conveying and comprises a bottom plate and a driving drum, wherein the top end of the bottom plate is respectively provided with an adjusting component and an anti-deviation component, the adjusting component comprises a rotation inhibiting component, two fixing components and two vertical plates, the two vertical plates are fixedly arranged at the top end of the bottom plate, a transmission rod is rotationally connected between the two vertical plates through a sealing bearing, and a gear is fixedly arranged on the surface of the transmission rod; the beneficial effects of the utility model are as follows: the pivoted transfer line drives the gear and rotates, and the gear drives rack horizontal migration, and the rack drives slide horizontal migration, and the slide passes through fixed subassembly and drives driving roller horizontal migration, has changed driving roller's position, has solved current problem when correcting the elasticity of conveyer belt and need change driving roller's position, is inconvenient for adjusting driving roller's position.

Description

Deviation-preventing bend drum

Technical Field

The utility model relates to a bend drum, in particular to an anti-deviation bend drum, and belongs to the technical field of material conveying.

Background

The belt conveyor has the advantages of simple structure, low cost and convenient maintenance. Belt conveyors are widely used in mining, metallurgy, electric power, and other fields. The direction-changing drum is also called as a guide drum, and is a common key component of a belt conveyor, and is mainly used for changing the running direction of a conveyor belt or compacting the conveyor belt to increase the wrap angle between the conveyor belt and a transmission drum. The existing direction-changing drum is supported by a bearing seat, and the position of the existing direction-changing drum cannot be changed.

The utility model discloses a "prevent off tracking bend pulley for belt feeder" wherein the application number is "CN201922189321.1", it "includes bend pulley and a plurality of cylindricality arch, each cylindricality protruding circumference evenly distributed is at the surface of bend pulley, each cylindricality bellied axial length is less than the axial length of bend pulley, the distance of cylindricality bellied left end portion to the left end face of bend pulley equals the distance of cylindricality bellied right-hand member portion to the right-hand member face of bend pulley, through the middle part setting cylindricality arch on the surface of bend pulley, the tension of belt in bend pulley middle part department has been increaseed, and then make the belt keep at the middle part of bend pulley, the phenomenon of off tracking has been overcome, the effect of simple structure, the influence that the production is smooth and process product quality stability brought has been stopped because of the material off tracking of belt feeder falls down the operation environment, the sudden fracture of belt, find through one step more search, its application number is" CN202022556510.0 "a prevent off tracking bend pulley for belt feeder", it includes the barrel, the spool, fixed side plate, moving side plate and actuating mechanism are fixed in the cylinder side plate and moving side plate, the actuating mechanism are fixed in the cylinder side plate and moving side plate and cylinder side plate and moving end are connected in the fixed cylinder, the fixed in the cylinder side plate and moving side plate, moving end and fixed position limiter are connected to the cylinder, and moving mechanism. The deviation-preventing direction-changing drum for the belt conveyor has the advantages of simple structure, convenient installation, stable operation, convenient adjustment of the limiting mechanism according to the width of the belt, no detection sensor, low cost, but the following defects of the deviation-preventing direction-changing drum:

the existing direction-changing drum is supported by a bearing seat, the position of the existing direction-changing drum cannot be changed, and when the position of the direction-changing drum is required to be changed when the tightness of a conveying belt is corrected, the position of the direction-changing drum is inconvenient to adjust.

Disclosure of Invention

The utility model aims to provide an anti-deviation direction-changing drum, which solves the problems that the position of the existing direction-changing drum which is supported by a bearing seat in the prior art cannot be changed, and the position of the direction-changing drum is inconvenient to adjust when the tightness of a conveying belt is corrected and the position of the direction-changing drum is required to be changed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prevent off tracking bend pulley, includes bottom plate and driving roll, the top of bottom plate is equipped with adjusting part and prevents off tracking subassembly respectively, adjusting part is including restraining commentaries on classics subassembly, two fixed subassembly and two risers, two the riser is all fixed to be set up on the top of bottom plate, two rotate through sealing bearing between the riser and be connected with the transfer line, the fixed surface of transfer line is equipped with the gear, the top meshing of gear is connected with the rack, the fixed slide that is equipped with in top of rack, the both sides on slide top are all fixed and are equipped with the backup pad, two the top of backup pad is all fixed and is equipped with half ring down, two spacing grooves have been seted up on driving roll's surface, two the inner wall in spacing groove respectively with the surface sliding connection of two half rings down.

Preferably, two the top of riser all with the bottom sliding connection of slide, two one side of riser all is fixed be equipped with the bottom looks gliding deflector of slide, two the T type groove has all been seted up on the top of deflector, two the equal sliding connection of inner wall in T type groove has the T template, two the top of T template all with the bottom fixed connection of slide, one end of transfer line runs through one of them riser and is fixed to be equipped with the carousel.

Preferably, the two fixed subassembly all includes the upper semicircle ring, two the upper semicircle ring slides respectively and sets up the inner wall at two spacing grooves, two the bottom of upper semicircle ring respectively with the top sliding connection of two lower semicircle rings, two the surface of upper semicircle ring is all fixed and is equipped with two first diaphragms, four the bottom of first diaphragm is all through bolt fixedly connected with second diaphragm, wherein two the surface of second diaphragm all is connected with the surface fixed of one of them lower semicircle ring, two other the surface of second diaphragm all is connected with the surface fixed of another lower semicircle ring.

Preferably, the rotation inhibiting assembly comprises a vertical plate, the vertical plate is fixedly arranged at the top end of the bottom plate, one side of the vertical plate is rotationally connected with a pawl through a rotating shaft, the surface of the pawl is slidably connected with a ratchet wheel, the inner wall of the ratchet wheel is fixedly connected with the surface of the transmission rod, and a tension spring is fixedly arranged between the pawl and the bottom plate.

Preferably, the anti-deflection assembly comprises a dovetail groove, the dovetail groove is formed in the top end of the sliding plate, two dovetail blocks are slidably connected to the inner wall of the dovetail groove, guide rings are fixedly arranged on the top ends of the two dovetail blocks, the guide rings are sleeved outside the driving roller, one ends of the guide rings are rotatably connected with screw rods through sealing bearings, the two screw rods are in threaded connection with contact portions of the two supporting plates, and knobs are fixedly arranged at one ends of the two screw rods.

Preferably, a plurality of mounting grooves are formed in the other ends of the two guide rings, and the inner walls of the mounting grooves are slidably connected with balls.

Preferably, the surface of the driving roller is fixedly provided with a first wrapping adhesive layer and two second wrapping adhesive layers respectively, one end of the driving roller is fixedly provided with a first transmission shaft, and the other end of the driving roller is fixedly provided with a second transmission shaft.

Compared with the related art, the anti-deviation bend drum provided by the utility model has the following beneficial effects:

1. the rotating transmission rod drives the gear to rotate, the gear drives the rack to horizontally move, the rack drives the slide plate to horizontally move, the slide plate drives the driving roller to horizontally move through the fixing component, the position of the driving roller is changed, and the problem that the position of the driving roller is inconvenient to adjust when the tightness of the conveying belt needs to be corrected is solved;

2. the transmission rod drives the ratchet wheel to rotate, the ratchet wheel firstly jacks up the pawl, the pawl rotates for a certain angle and drives the tension spring to extend, then the tension spring shortens and pulls the pawl to reversely rotate for a certain angle, the pawl is promoted to be in situ, when external force is applied to promote the transmission rod to reversely rotate, the pawl can prop against the ratchet wheel, the ratchet wheel is prevented from rotating, and further the reverse rotation of the transmission rod is avoided, so that the stability of the skateboard is facilitated;

3. the guide ring promotes a plurality of ball horizontal migration, and the ball can be contacted with conveyer belt's limit side, prevents conveyer belt off tracking and reduce frictional force, avoids conveyer belt to take place the turn-up, extension conveyer belt's life.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

fig. 4 is a schematic structural view of a driving roller according to the present utility model.

In the figure: 1. a bottom plate; 2. a driving roller; 3. an adjustment assembly; 31. a riser; 32. a transmission rod; 33. a gear; 34. a rack; 35. a slide plate; 36. a support plate; 37. a lower semicircular ring; 4. an anti-deviation assembly; 41. a dovetail groove; 42. dovetail blocks; 43. a guide ring; 44. a screw; 45. a knob; 5. a fixing assembly; 51. an upper semicircular ring; 52. a first cross plate; 53. a second cross plate; 6. a rotation inhibiting assembly; 61. a vertical plate; 62. a pawl; 63. a ratchet wheel; 64. a tension spring; 7. a limit groove; 8. a guide plate; 9. a T-shaped groove; 10. t-shaped plates; 11. a mounting groove; 12. a ball; 13. a first glue coating layer; 14. and a second coating layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-4, the utility model provides an anti-deviation bend drum, which comprises a bottom plate 1 and a driving drum 2, wherein the top end of the bottom plate 1 is respectively provided with an adjusting component 3 and an anti-deviation component 4, the surface of the driving drum 2 is provided with two limit grooves 7, and the inner walls of the two limit grooves 7 are respectively connected with the surfaces of two lower semicircular rings 37 in a sliding manner;

the surface of the driving roller 2 is fixedly provided with a first adhesive coating layer 13 and two second adhesive coating layers 14 respectively, one end of the driving roller 2 is fixedly provided with a first transmission shaft, the other end of the driving roller 2 is fixedly provided with a second transmission shaft, the driving roller 2 is protected through the first adhesive coating layer 13 and the two second adhesive coating layers 14, the first adhesive coating layer 13 is in contact with a conveying belt, the friction force between the driving roller 2 and the conveying belt is increased, the driving roller 2 which is favorable for rolling drives the conveying belt to move, the first transmission shaft is connected with a bearing seat arranged outside, and the second transmission shaft is fixedly connected with a transmission shaft of a motor arranged outside through a coupling;

referring to fig. 1-4, the utility model provides an anti-deviation direction-changing drum, which further comprises an adjusting component 3, wherein the adjusting component 3 comprises a rotation inhibiting component 6, two fixing components 5 and two vertical plates 31, the two vertical plates 31 are fixedly arranged at the top ends of a bottom plate 1, a transmission rod 32 is rotatably connected between the two vertical plates 31 through a sealed bearing, a gear 33 is fixedly arranged on the surface of the transmission rod 32, a rack 34 is connected at the top end of the gear 33 in a meshed manner, a slide plate 35 is fixedly arranged at the top end of the rack 34, supporting plates 36 are fixedly arranged at two sides of the top end of the slide plate 35, and a lower semicircle ring 37 is fixedly arranged at the top ends of the two supporting plates 36;

the top ends of the two vertical plates 31 are in sliding connection with the bottom end of the sliding plate 35, guide plates 8 which slide with the bottom end of the sliding plate 35 are fixedly arranged on one sides of the two vertical plates 31, T-shaped grooves 9 are formed in the top ends of the two guide plates 8, T-shaped plates 10 are slidably connected to the inner walls of the two T-shaped grooves 9, the top ends of the two T-shaped plates 10 are fixedly connected with the bottom end of the sliding plate 35, one end of a transmission rod 32 penetrates one of the vertical plates 31 and is fixedly provided with a rotary disc, the rotary disc is convenient for rotating the transmission rod 32, the T-shaped plates 10 are limited by the T-shaped grooves 9 in the vertical direction, the sliding plate 35 is further limited in the vertical direction, the upward movement of the sliding plate 35 is prevented, and the stability of the sliding plate 35 in the horizontal movement is improved;

specifically, as shown in fig. 1, 2, 3 and 4, the turntable is rotated first, the turntable drives the transmission rod 32 to rotate, the rotating transmission rod 32 drives the gear 33 to rotate, the gear 33 drives the rack 34 to horizontally move, the rack 34 drives the slide plate 35 to horizontally move, the slide plate 35 drives the driving roller 2 to horizontally move through the fixing component 5, the position of the driving roller 2 is changed, and the problem that the position of the driving roller 2 is inconvenient to adjust when the position of the driving roller 2 is required to be changed in correcting the tightness of the conveying belt is solved.

Example 2:

the two fixing assemblies 5 comprise upper semicircular rings 51, the two upper semicircular rings 51 are respectively arranged on the inner walls of the two limiting grooves 7 in a sliding mode, the bottom ends of the two upper semicircular rings 51 are respectively connected with the top ends of the two lower semicircular rings 37 in a sliding mode, the surfaces of the two upper semicircular rings 51 are fixedly provided with two first transverse plates 52, the bottom ends of the four first transverse plates 52 are fixedly connected with second transverse plates 53 through bolts, the surfaces of the two second transverse plates 53 are fixedly connected with the surface of one lower semicircular ring 37, and the surfaces of the other two second transverse plates 53 are fixedly connected with the surface of the other lower semicircular ring 37;

specifically, as shown in fig. 1 and 4, when the driving roller 2 needs to be installed, the driving roller 2 is moved horizontally to pass through the two guide rings 43, then the driving roller 2 is moved downwards to enable the limiting groove 7 to be in sliding connection with the inner wall of the lower semicircular ring 37, the lower semicircular ring 37 limits the driving roller 2 in the horizontal direction through the limiting groove 7, then the upper semicircular ring 51 is moved downwards, the upper semicircular ring 51 can slide into the limiting groove 7, the upper semicircular ring 51 drives the first transverse plate 52 to move, the first transverse plate 52 is attached to the second transverse plate 53, at the moment, the first transverse plate 52 and the second transverse plate 53 can be fixed through bolts, the fixed connection between the upper semicircular ring 51 and the lower semicircular ring 37 is completed, and therefore the driving roller 2 is limited in the vertical direction, and the installation of the driving roller 2 is completed.

Example 3:

the rotation inhibiting assembly 6 comprises a vertical plate 61, wherein the vertical plate 61 is fixedly arranged at the top end of the bottom plate 1, one side of the vertical plate 61 is rotationally connected with a pawl 62 through a rotating shaft, the surface of the pawl 62 is slidably connected with a ratchet wheel 63, the inner wall of the ratchet wheel 63 is fixedly connected with the surface of the transmission rod 32, and a tension spring 64 is fixedly arranged between the pawl 62 and the bottom plate 1;

specifically, as shown in fig. 1 and 2, when the transmission rod 32 rotates, the transmission rod 32 drives the ratchet 63 to rotate, the ratchet 63 rotates to jack up the pawl 62, the pawl 62 rotates to a certain angle and drives the extension spring 64 to extend, then the extension spring 64 shortens to pull the pawl 62 to reversely rotate to a certain angle, so that the pawl 62 is enabled to be in place, when an external force is applied to enable the transmission rod 32 to reversely rotate, the pawl 62 can prop against the ratchet 63, the ratchet 63 is prevented from rotating, and further the transmission rod 32 is prevented from reversely rotating, so that stability of the slide plate 35 is facilitated.

Example 4:

the anti-deflection assembly 4 comprises a dovetail groove 41, the dovetail groove 41 is formed in the top end of the sliding plate 35, two dovetail blocks 42 are slidably connected to the inner wall of the dovetail groove 41, guide rings 43 are fixedly arranged on the top ends of the two dovetail blocks 42, the two guide rings 43 are sleeved outside the driving roller 2, one ends of the two guide rings 43 are rotatably connected with screw rods 44 through sealing bearings, the two screw rods 44 are in threaded connection with contact parts of the two supporting plates 36, and knobs 45 are fixedly arranged on one ends of the two screw rods 44;

the other ends of the two guide rings 43 are provided with a plurality of mounting grooves 11, the inner walls of the mounting grooves 11 are slidably connected with balls 12, the balls 12 are contacted with the side surface of the conveying belt, so that the conveying belt is prevented from deviating, friction force is reduced, curling of the conveying belt is avoided, and the service life of the conveying belt is prolonged;

specifically, as shown in fig. 1, 3 and 4, the knob 45 is turned first, the knob 45 drives the screw 44 to rotate, the screw 44 pushes the guide ring 43 to move horizontally while moving horizontally, the guide ring 43 pushes the plurality of balls 12 to move horizontally, the balls 12 contact with the side of the conveyor belt, the conveyor belt is prevented from deviating and friction force is reduced, curling of the conveyor belt is avoided, the service life of the conveyor belt is prolonged, the dovetail block 42 is driven by the guide ring 43 moving horizontally, the guide ring 43 is limited in the vertical direction by the dovetail groove 41 through the dovetail block 42, and stability of the guide ring 43 during horizontal movement is improved.

Working principle: when the drive roller 2 is required to be mounted, the drive roller 2 is horizontally moved to penetrate through the two guide rings 43, then the drive roller 2 is moved downwards to enable the limiting groove 7 to be in sliding connection with the inner wall of the lower semicircular ring 37, the lower semicircular ring 37 limits the drive roller 2 horizontally through the limiting groove 7, then the upper semicircular ring 51 is moved downwards, the upper semicircular ring 51 slides into the limiting groove 7, the upper semicircular ring 51 drives the first transverse plate 52 to move, the first transverse plate 52 is attached to the second transverse plate 53, at the moment, the first transverse plate 52 and the second transverse plate 53 can be fixed through bolts, the fixed connection between the upper semicircular ring 51 and the lower semicircular ring 37 is completed, the drive roller 2 is limited in the vertical direction, the drive roller 2 is mounted, the other drive roller 2 is mounted in the same way, the conveying belt is sleeved on the surfaces of the two drive rollers 2, the rotating disc drives the transmission rod 32 to rotate, the rotating transmission rod 32 drives the gear 33 to rotate, the gear 33 drives the rack 34 to horizontally move, the rack 34 drives the slide plate 35 to horizontally move, the slide plate 35 drives the driving roller 2 to horizontally move through the fixing component 5, the position of the driving roller 2 is changed, the distance between the two driving rollers 2 is increased, the problem that the position of the driving roller 2 is inconvenient to adjust when the tightness of the conveying belt needs to be changed in the prior art is solved, when the transmission rod 32 rotates, the transmission rod 32 drives the ratchet 63 to rotate, the ratchet 63 firstly jacks up the pawl 62 to rotate, the pawl 62 rotates by a certain angle and drives the tension spring 64 to stretch, then the tension spring 64 shortens and pulls the pawl 62 to reversely rotate by a certain angle, the pawl 62 is enabled to be in situ, when external force is applied to enable the transmission rod 32 to reversely rotate, the pawl 62 can support the ratchet 63, avoid ratchet 63 to rotate, and then avoid the reverse rotation of transfer line 32, be favorable to the stability of slide 35, rotate knob 45, knob 45 drives screw rod 44 and rotates, screw rod 44 promotes guide ring 43 horizontal migration simultaneously with horizontal migration, guide ring 43 promotes a plurality of ball 12 horizontal migration, the ball 12 can with conveyor's limit side contact, prevent conveyor off tracking and reduce frictional force, avoid conveyor to take place the turn-up, extension conveyor's life, dovetail block 42 moves along with guide ring 43 and drives, guide ring 43 receives spacing on the vertical direction through dovetail block 42, stability when promoting guide ring 43 horizontal migration.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a prevent off tracking bend pulley, includes bottom plate (1) and driving roll (2), its characterized in that, the top of bottom plate (1) is equipped with adjusting part (3) and prevents off tracking subassembly (4) respectively, adjusting part (3) are including restraining rotating subassembly (6), two fixed subassembly (5) and two risers (31), two riser (31) are all fixed to be set up on the top of bottom plate (1), two be connected with transfer line (32) through sealed bearing rotation between riser (31), the fixed surface of transfer line (32) is equipped with gear (33), the top meshing of gear (33) is connected with rack (34), the fixed slide (35) that is equipped with in top of rack (34), the both sides on slide (35) top are all fixed and are equipped with backup pad (36), two the top of backup pad (36) is all fixed and is equipped with half ring (37), two spacing groove (7) are seted up on the surface of driving roll (2), two the inner wall of spacing groove (7) is connected with the ring surface sliding of two half rings (37) respectively.

2. An anti-deflection bend drum according to claim 1, wherein: two the top of riser (31) all with the bottom sliding connection of slide (35), two the one side of riser (31) all is fixed be equipped with slide (8) mutually of the bottom of slide (35), two T type groove (9) have all been seted up on the top of deflector (8), two the equal sliding connection of inner wall of T type groove (9) has T template (10), two the top of T template (10) all with the bottom fixed connection of slide (35), one end of transfer line (32) runs through one of them riser (31) and is fixed to be equipped with the carousel.

3. An anti-deflection bend drum according to claim 1, wherein: two fixed subassembly (5) all include last semicircle ring (51), two go up semicircle ring (51) slide respectively and set up the inner wall at two spacing grooves (7), two the bottom of going up semicircle ring (51) respectively with the top sliding connection of two lower semicircle rings (37), two the surface of going up semicircle ring (51) is all fixed and is equipped with two first diaphragm (52), four the bottom of first diaphragm (52) is all through bolt fixedly connected with second diaphragm (53), wherein two the surface of second diaphragm (53) all is connected with the surface fixed of one of them lower semicircle ring (37), and two other the surface of second diaphragm (53) all is connected with the surface fixed of another lower semicircle ring (37).

4. An anti-deflection bend drum according to claim 1, wherein: the rotation restraining assembly (6) comprises a vertical plate (61), the vertical plate (61) is fixedly arranged at the top end of the bottom plate (1), one side of the vertical plate (61) is rotationally connected with a pawl (62) through a rotating shaft, the surface of the pawl (62) is slidably connected with a ratchet wheel (63), the inner wall of the ratchet wheel (63) is fixedly connected with the surface of the transmission rod (32), and a tension spring (64) is fixedly arranged between the pawl (62) and the bottom plate (1).

5. An anti-deflection bend drum according to claim 1, wherein: the anti-deflection assembly (4) comprises a dovetail groove (41), the top of a sliding plate (35) is arranged at the dovetail groove (41), two dovetail blocks (42) are slidably connected to the inner wall of the dovetail groove (41), guide rings (43) are fixedly arranged at the top ends of the dovetail blocks (42), the guide rings (43) are sleeved outside a driving roller (2), one ends of the guide rings (43) are rotatably connected with screws (44) through sealing bearings, the two screws (44) are in threaded connection with the contact portions of two supporting plates (36), and knobs (45) are fixedly arranged at one ends of the two screws (44).

6. An anti-deflection bend drum as claimed in claim 5, wherein: the other ends of the two guide rings (43) are provided with a plurality of mounting grooves (11), and the inner walls of the mounting grooves (11) are slidably connected with balls (12).

7. An anti-deflection bend drum according to claim 1, wherein: the surface of the driving roller (2) is fixedly provided with a first wrapping adhesive layer (13) and two second wrapping adhesive layers (14) respectively, one end of the driving roller (2) is fixedly provided with a first transmission shaft, and the other end of the driving roller (2) is fixedly provided with a second transmission shaft.